Four Seasons 74642 HVAC Heater Control Valve

OE Heater Control Valve for Honda CR-V

Four Seasons 74642 is an OE replacement HVAC heater control valve for 1999-2001 Honda CR-V models. This cable-operated, non-bypass valve uses a plastic body with two hose connectors and a 0.625 in opening to regulate heater coolant flow through the HVAC system.

Key Features

• Fits 1999-2001 Honda CR-V, heater valve application
• Cable-operated open valve design
• Non-bypass style for direct heater circuit control
• Plastic construction with 2 hose connectors
• 0.625 in opening size
• OE replacement design for factory-style service

Product Details

Four Seasons Heater Valve line focuses on temperature control components that match original equipment function and fit. Part number 74642 is built as a cable-operated open non-bypass heater valve for the Honda CR-V heater circuit, helping restore proper coolant routing through the HVAC system. This part cross-references 79710S10A01 and 79710S10E01 for the same application. Four Seasons 74642 is a direct-fit service part for 1999-2001 Honda CR-V models when the original heater valve no longer opens or closes correctly.

Common Issues This Part Can Address

• No heat from the HVAC system
• Heater output stuck on hot or cold
• Coolant flow not changing with cable input
• Leaking or cracked heater valve housing
• Restricted heater core coolant flow

Installation Notes and Tips

Verify hose routing, connector count, and cable operation before installation. Confirm the 0.625 in opening and non-bypass configuration match the original valve on the vehicle. After installation, check for coolant leaks and confirm the HVAC temperature control moves the valve through its full range.

Quality Assurance

Four Seasons manufactures HVAC temperature control components as OE replacement parts, and this valve is built to match original-style operation for the listed Honda CR-V applications.